GridView删除,编辑应用

using TestWeb.HR.BusinessLogicLayer;
using TestWeb.HR.DataAccessLayer;
public partial class HR_CompanyView : System.Web.UI.UserControl
...{
    protected void Page_Load(object sender, EventArgs e)
    ...{
        if (!this.IsPostBack)
        ...{
            GetAllCompanies(); //初试加载所有公司
        }
}
    /**//// <summary>
    /// 返回所有公司
    /// </summary>
    private void GetAllCompanies()
    ...{
        try
        ...{
            List<Company> companyList = new List<Company>();
            companyList = Company.GetAllCompanies();
            if (companyList != null)
            ...{
                this.GridView1.DataSource = companyList;
                this.GridView1.DataBind();
            }
        }
        catch (Exception ex)
        ...{
            ShowMessage.ErrorMessage(this.Page, ex.Message);
        }
    }
    /**//// <summary>
    /// 编辑公司
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    ...{
        this.GridView1.EditIndex = e.NewEditIndex;
        GetAllCompanies();
    }
    /**//// <summary>
    /// 取消编辑
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    ...{
        this.GridView1.EditIndex = -1;
        GetAllCompanies();
    }
    /**//// <summary>
    /// 更新公司
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    ...{
        GridViewRow uprow = this.GridView1.Rows[e.RowIndex];
        TextBox text1 = (TextBox)uprow.Cells[0].FindControl("TextBox1");
        TextBox text2 = (TextBox)uprow.Cells[0].FindControl("TextBox2");
        TextBox text3 = (TextBox)uprow.Cells[0].FindControl("TextBox3");
        HyperLink hlk = (HyperLink)uprow.Cells[0].FindControl("HyperLink1");
        int companyId = Convert.ToInt32(this.GridView1.DataKeys[e.RowIndex].Value);
        //直接调用存储过程进行更新
        string connectionstring = ConfigurationManager.ConnectionStrings["TESTDB_Database_Connection"].ConnectionString;
        SqlCommand upcmd = new SqlCommand();
        upcmd.CommandType = CommandType.StoredProcedure;
        upcmd.CommandText = "UPCompany";
        upcmd.Parameters.Add("@CompanyName", SqlDbType.VarChar, 50);
        upcmd.Parameters["@CompanyName"].Value = text1.Text.Trim();
        upcmd.Parameters.Add("@Phone", SqlDbType.VarChar, 50);
        upcmd.Parameters["@Phone"].Value = text2.Text.Trim();
        upcmd.Parameters.Add("@Fax", SqlDbType.VarChar, 50);
        upcmd.Parameters["@Fax"].Value = text3.Text.Trim();
        upcmd.Parameters.Add("@WebSite", SqlDbType.VarChar, 50);
        upcmd.Parameters["@WebSite"].Value = hlk.Text.Trim();
        upcmd.Parameters.Add("@CompanyId", SqlDbType.Int, 4);
        upcmd.Parameters["@CompanyId"].Value = companyId;
        SqlConnection con = new SqlConnection(connectionstring);
        upcmd.Connection = con;
        con.Open();
        upcmd.ExecuteNonQuery();
        con.Close();

        this.GridView1.EditIndex = -1;
        GetAllCompanies();
    }
    /**//// <summary>
    /// 删除公司
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    ...{
        int companyId = Convert.ToInt32(this.GridView1.DataKeys[e.RowIndex].Value);
        string connectionstring = ConfigurationManager.ConnectionStrings["TESTDB_Database_Connection"].ConnectionString;
        SqlCommand delcmd = new SqlCommand();
        delcmd.CommandType = CommandType.StoredProcedure;
        delcmd.CommandText = "HR_DeleteCompanyByCompanyId";
        delcmd.Parameters.Add("@CompanyId", SqlDbType.Int, 4);
        delcmd.Parameters["@CompanyId"].Value = companyId;
        SqlConnection _Con = new SqlConnection(connectionstring);
        delcmd.Connection = _Con;
        _Con.Open();
        delcmd.ExecuteNonQuery();
        _Con.Close();
        GetAllCompanies();
    }
    /**//// <summary>
    /// 允许分页
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    ...{
        this.GridView1.PageIndex = e.NewPageIndex;
        GetAllCompanies();
    }
    /**//// <summary>
    /// 焦点行颜色变化
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    ...{
        if (e.Row.RowType == DataControlRowType.DataRow)
        ...{
            //当鼠标放上去的时候 先保存当前行的背景颜色 并给附一颜色 
            e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='yellow',this.style.fontWeight='';");
            //当鼠标离开的时候 将背景颜色还原的以前的颜色 
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor,this.style.fontWeight='';");
        }
        //单击行改变行背景颜色 
        if (e.Row.RowType == DataControlRowType.DataRow)
        ...{
            e.Row.Attributes.Add("onclick", "this.style.backgroundColor='#99cc00'; this.style.color='buttontext';this.style.cursor='default';");
        }
    }
    /**//// <summary>
    /// 根据ID获取公司详细信息
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Button1_Click(object sender, EventArgs e)
    ...{
        Response.Redirect("~/CompanyDetails.aspx");
    } 
}